No C Wire Options
Compare no-C-wire smart thermostats by power method: included adapters and extenders, battery power, and the line-voltage systems to rule out.
| This model | Recommendations | |||||
|---|---|---|---|---|---|---|
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Honeywell T6 Pro Smart Comfort Control
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Honeywell TH8321WF1001/U Remote comfort control from anywhere
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Honeywell TH6320WF2003/U 3 Heat / 2 Cool Heat Pump
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Honeywell Home S200 Up to 3H/2C heat pump and 2H/2C conventional
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Honeywell TH6220WF2006/U ENERGY STAR Certified
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Honeywell TH6320WF2003
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| Brand | Honeywell | Honeywell | Honeywell | Honeywell Home | Honeywell | Honeywell |
| Model | T6 Pro | TH8321WF1001/U | TH6320WF2003/U | S200 | TH6220WF2006/U | TH6320WF2003 |
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| Price | €111.56 | €161.47 | €116.03 | €92.52 | €123.98 | €204.35 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 |
| Smart Home Integration | Apple HomeKit, Amazon Alexa | Apple HomeKit, Amazon Alexa | Apple HomeKit | |||
| Stages | Up to 3 Heat / 2 Cool | 2 Heat / 1 Cool (Heat Pump), 2 Heat / 2 Cool (Conventional) | 3 Heat/2 Cool Heat Pump, 2 Heat/2 Cool Conventional | |||
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